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I'm planning to throw a set of 440c injectors into my GTT and use my PFC to make necessary accomodations. I can do the calculations to work out the correction values, but how do I figure out how much latency correction to input?

What can I do to find out the latency of my factory GTT injectors and the new injectors I plan to use?

Thanks!

Andy

Edited by Andi
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theoretically you can work out the percentage size difference and lean your maps off by that percentage throughout the spectrum, however this would be in a perfect world.

the world is not perfect...

so take it to a dyno tuner and get him to tune the new injectors in with an accurate AFR meter.

  • 4 months later...
theoretically you can work out the percentage size difference and lean your maps off by that percentage throughout the spectrum, however this would be in a perfect world.

the world is not perfect...

so take it to a dyno tuner and get him to tune the new injectors in with an accurate AFR meter.

So if I don't know the latency values of my new injectors I should just input the size correct into the PFC and take the car to the tuner to figure out the latency correction?

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